package com.yunhe.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;

import org.apache.ibatis.session.SqlSession;

import com.yunhe.bean.CommodityClassify;
import com.yunhe.inter.CommodityInfoInter;
import com.yunhe.util.SqlSessionFactoryUtil;

/**
 * Servlet implementation class CommodityClass
 */
@WebServlet("/CommodityClass")
public class CommodityClass extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public CommodityClass() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		//
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		//获取sqlSession
		SqlSession sqlSession = SqlSessionFactoryUtil.openSqlSession();
		//获取mapper
		CommodityInfoInter commMapper =  sqlSession.getMapper(CommodityInfoInter.class);
		//建立输出流
		PrintWriter out=response.getWriter();
		//获取大小分类
		ArrayList<CommodityClassify> ccs=commMapper.CommodityClassify();
		sqlSession.close();
		//转换Json格式
		JSONArray job=JSONArray.fromObject(ccs);
		out.write(job.toString());
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
